He's giving sharp replies to what are obvious shitposts.  There's no way I'm going to report that, and he's probably spot on in his analysis, too. 

You might not like what someone has to say; it may offend you, but this forum doesn't censor racism.  The only thing that can get you banned is obvious trolling, and I don't think that guy was doing that.  If anything, the people to who he was responding should get the punishment for making insubstantial posts.

Grow a thicker skin, dude.